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[No Model.)

W. MoARTHUR.

TUBULAR LANTERN.

No 412,287. Patented Oct. 8, 1889.

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UNITED STATES PATENT Fries.

WARREN MOAR'IHUR, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE STEAM GAUGE AND LANTERN COMPANY, OF SYRACUSE, AND THE R. E. DIETZ COMPANY, OF NEW YORK, N. Y.

TUBULAR LANTERN.

SPECIFICATION forming part of Letters Patent No. 412,287, dated October 8, 1889.

' Application filed August 2, 1889. Serial No. 319,531. (No model.)

To wZZ whom it may concern: on the outer side of the oil-pot above the bot- Be it known that I, WARREN MCARTHUR, tom thereof, and forms a raised rim g, which a citizen of the United States, residing at Chiconfines the oil-pot on the base-frame and precago, in the county of Cook and State of Illivents lateral displacement of these parts.

nois, have invented a new and useful Im- H represents braces, which are securedwith provement in Tubular Lanterns, of which the their upper portions h to the backs of the upfollowing is a specification. right portions 0 of the air-tubes above the This invention relates to a tubular lantern lower branches of the tubes and with their in which the side tubes are connected with bifurcated lower portions 1'- to the base-flange lo the base of the lantern by braces for the pure. The latter is provided with slots j, through pose of establishing a firm and durable conwhich the ends of the bifurcated lower pornection between the upper part of the lantern, tions 1 are passed and then secured to the consisting principally of the tubular frame bottom of the oil-pot by soldering. The open and the lower part containing the oil-pot. A spaces between the bars of the base-frame 15 lantern of this kind is described and claimed permit the lower ends of the braces to be 6 in an application for patent filed by me May brought in contact with the bottom of the oil- 8, 1889, Serial No. 309,965. pot. The braces, therefore, not only serve to The object of my present invention is to stiffen the lantern structure, but they also simplify the construction of this lantern, so serve to secure the rigid base-frame t0 the 20 that the parts, especially those constituting oil-pot. the base, can be readily secured together and The rigid base-frame, being separate from form, when completed, a durable and reliable the oil-pot, protects the latter against blows lantern structure. and prevents the formation of leaks in the In the accompanying drawings, Figure 1 is oil-pot, which are liable to occur when the 2 5 an elevation of the lower part of a tubular base-flange is made integral with the bottom 7 lantern provided with my improvement. Fig. of the oil-pot. As the oil-pot in this construc- 2 is a similar elevation, partly in section. tion of a lantern is unprovided with a pro- Fig. 3 is a bottom plan view. jecting bottom flange, the bottom and side Like letters of reference refer to like parts wall of the oil-pot can be stamped out of a 0 in the several figures. single blank of tin, thereby doing away with A represents the oil-pot; a, the air-chamber, a solder joint at the bottom and guarding still secured to the top thereof; b, the burner; a, further against leaks. the lower branches of the air-tubes, secured The base-frame, being constructed of heavy to the top of the oil-pot by soldering in the metal, steadies the lantern and renders the 3, 5 usual manner, and O the upright portions of same less liable to be upset.

the airtubes. The top portion of the lantern I claim as my invention is constructed in a suitable or well-known 1. The combination, with the oil-pot and manner. the air-tubes connected therewith, of a sepa- D representsarigid base-frame, constructed rate base-frame upon which the oil-pot rests 40 preferably of cast or malleable iron and comand braces connecting the air-tubes with the posed of a marginal base-flange e, which probase-frame, substantially as set forth. jects beyond the outer wall of the oil-pot and 2. The combination, with the oil-pot and an open frame f, upon which the bottom of the air-tubes connected therewith, of a basethe oil-pot rests. This bottom is preferably frame upon which the oil-pot rests, and which 45 made convex or deepest in the center, and is provided with openings, andbraces secured 5 the open frame f, which consists of connected with their upper ends to the air-tubes and ribbed bars, is made correspondingly con-- having their lower portions inserted. through cave on its upper side to fit snugly against the openings in the base-frame and secured the bottom of the oil-pot. The upper port0 the bottom of the oil-pot, substantially as 50 tion of the base-flange e projects upwardly set forth. I00

\Vitness my hand this 19th day of July, 1889.

WARREN MOARTHUR.

Witnesses:

F. L. BELL, J. CRAWFORD. 

